Mylohyoid motor‐evoked potentials relate to swallowing function after chronic stroke dysphagia

This work aimed to study mylohyoid motor‐evoked potentials (MHMEPs) and examined if it is related to chronic stroke dysphagia. Conduction time (CT) and amplitudes of the right and left MHMEPs in response to focal cortical magnetic stimulations over affected and unaffected hemispheres were recorded i...

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Bibliographic Details
Published in:Neurogastroenterology and motility 2007-06, Vol.19 (6), p.453-458
Main Authors: Gallas, S., Moirot, P., Debono, G., Navarre, I., Denis, P., Marie, J. P., Verin, E.
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Brain - physiology
Chronic Disease
Deglutition Disorders - etiology
Deglutition Disorders - physiopathology
dysphagia
Electric Stimulation
Evoked Potentials, Motor - physiology
Female
Functional Laterality
Humans
Hyoid Bone
Male
Middle Aged
Muscles - innervation
Muscles - physiopathology
mylohyoid
Neural Pathways - physiopathology
stroke
Stroke - complications
transcranial magnetic stimulation
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Summary:This work aimed to study mylohyoid motor‐evoked potentials (MHMEPs) and examined if it is related to chronic stroke dysphagia. Conduction time (CT) and amplitudes of the right and left MHMEPs in response to focal cortical magnetic stimulations over affected and unaffected hemispheres were recorded in 16 stroke patients with aspiration (n = 9) or residue (n = 7) and compared with eight control patients. In control group, MHMEPs were present on ipsilateral and contralateral sides after stimulation of both hemispheres and permitted to determine a dominant hemisphere. In stroke patients, after stimulation of the affected hemisphere, ipsilateral MEPs had a longer CT and lower amplitudes in patients with aspiration compared with patients with residue or control patients (P 
ISSN:1350-1925
1365-2982
DOI:10.1111/j.1365-2982.2006.00892.x